Transaction not yet indexed

21MiukH1S6ZMpDbC1BtUDYmkg3eSXckPQmhZpTpRoSeMTDb8z1S4T7hRiu7cx6zNkvp5T5PQkpw2uUgaWxWG9GVC

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.